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PROVE
cosecA/cosecA-1 + cosecA/cosecA-1 = 2sec^2A

Viraj C Bukitagar , 10 Years ago
Grade 10
anser 1 Answers
Sunil Raikwar

Last Activity: 10 Years ago

cosecA/cosecA-1 + cosecA/cosecA+1
= 1/1-sinA +1/1+sinA
=1+sinA+1-sinA / 1-sin^2A= 2/cos^2A=2sec^2 A
Thanks & Regards
Sunil Raikwar
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